Home / 19,756.99-27,262.41-11,690.89

Finding the Fourth Proportional to 19,756.99, 27,262.41 and 11,690.89

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Solution

The fourth proportional to 19,756.99, 27,262.41 and 11,690.89 is: 16,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.99 : 27,262.41 = 11,690.89 : x
  2. Step 2: Convert to fraction form
    19,756.99/27,262.41 = 11,690.89/x
  3. Step 3: Cross multiply
    19,756.99x = 27,262.41 × 11,690.89
  4. Step 4: Simplify right side
    19,756.99x = 318,721,836.44
  5. Step 5: Solve for x
    x = 318,721,836.44/19,756.99
  6. Step 6: Final answer
    x = 16,132.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.